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Fresh Water Quality

Environmental Health & Safety monitors bacterial levels in the water at beaches along the Russian River and at Spring Lake Swimming Lagoon by collecting and testing weekly water samples between Memorial Day and Labor Day. We also monitor blue-green algae levels along the Russian River.

Latest News

  • Featured News:

    Update September 6, 2019: Blue-green Algae Caution Signs Posted at Spring Lake in Santa Rosa

    Published on September 6, 2019

    This afternoon signs were posted at Spring Lake park in the City of Santa Rosa to warn the public of any blue-green algae (BGA) that may be present in the lake.  DHS Environmental Health, in conjunction with the Sonoma County Parks Department will be collecting samples to be tested today to determine if harmful algae blooms are present in Spring Lake.

Russian River Beaches
Water Quality Test Results

Cloverdale River Park Beach

Date Collected:August 3, 2020
Total Coliform:4,352
Escherichia coli:41
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Del Rio Woods Beach

Date Collected:August 3, 2020
Total Coliform:1,723
Escherichia coli:20
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Camp Rose Beach

Date Collected:August 3, 2020
Total Coliform:1,956
Escherichia coli: <10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Healdsburg Veterans Beach

Date Collected:August 3, 2020
Total Coliform:2,359
Escherichia coli:20
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Steelhead Beach

Date Collected:August 3, 2020
Total Coliform:712
Escherichia coli:<10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Forestville Access Beach

Date Collected:August 3, 2020
Total Coliform:1,396
Escherichia coli:<10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Sunset Beach

Date Collected:August 3, 2020
Total Coliform:1,333
Escherichia coli: 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Johnson's Beach

Date Collected:August 3, 2020
Total Coliform:1,607
Escherichia coli:31
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Monte Rio Beach

Date Collected:August 3, 2020
Total Coliform:839
Escherichia coli:<10
Beach Status:Open

Beach is open.Health risk is low for water contact. Bacterial levels are within State standards.

Patterson Point

Date Collected:August 3, 2020
Total Coliform:749
Escherichia coli: 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Download 2020 test results - all locations (PDF: 80.5 kB)

Russian River sampling locations (PDF: 475 kB)

Russian River Test Results from Previous Years

2019

2018

2017

2016

2015

2014

2013

2012

Spring Lake Swimming Lagoon
Water Quality Test Results

Sample Point 1

Date Collected:August 27, 2019
Total Coliform:<1.0
Escherichia coli: <1.0

Sample Point 2

Date Collected:August 27, 2019
Total Coliform: 0.1
Escherichia coli:0.1

Sample Point 3

Date Collected:August 27, 2019
Total Coliform:<1.0
Escherichia coli: <1.0

Sample Point 4

Date Collected:August 27, 2019
Total Coliform:<1.0
Escherichia coli:<1.0

Sample Point 5

Date Collected:August 27, 2019
Total Coliform: <1.0
Escherichia coli: <1.0

Sample Point 6

Date Collected:August 27, 2019
Total Coliform:1.0
Escherichia coli:<1.0

Sample Point 7

Date Collected:August 27, 2019
Total Coliform:<1.0
Escherichia coli: <1.0

Spring Lake
Water Quality Test Results

Sample Point 8

Date Collected:August 27, 2019
Total Coliform:2,419.60
Escherichia coli:<1.0

Download 2019 test results - all locations

Spring Lake Lagoon sampling locations

Information on swimmer's itch from the Centers for Disease Control and Prevention (CDC)

Spring Lake Test Results from Previous Years

2018

2017

2016

2015

2014

2013

2012

State Standards

Total Coliform

10,000 per 100 ml

Escherichia coli

235 per 100 ml

Contact Information

Environmental Health & Safety
Public Health Division
County of Sonoma
Business Hours
Monday – Friday
8:00 AM – 4:00 PM
Contact us by Phone
Address
Office Location
625 5th Street
Santa Rosa, CA 95404
38.441823, -122.7137698
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